19192971

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{503}}^1$

素因数の和:615

約数の個数: 32

約数和(自身を含む): 30965760

約数和(自身を除く): 11772789

約数列:

[1, 3, 7, 21, 23, 69, 79, 161, 237, 483, 503, 553, 1509, 1659, 1817, 3521, 5451, 10563, 11569, 12719, 34707, 38157, 39737, 80983, 119211, 242949, 278159, 834477, 913951, 2741853, 6397657, 19192971]

約数ペア:

[(1, 19192971), (3, 6397657), (7, 2741853), (21, 913951), (23, 834477), (69, 278159), (79, 242949), (161, 119211), (237, 80983), (483, 39737), (503, 38157), (553, 34707), (1509, 12719), (1659, 11569), (1817, 10563), (3521, 5451)]